Manga An Archdemon's Dilemma: How to Love Your Elf Bride / 魔奴嫁

Zagan is feared as an evil mage. He's awkward and has a sharp tongue, and puts down thieves that encroach on his territory. In a dark auction, he finds a white slave elf, Nephie, who holds a peerless beauty. Falling in love with her at first sight, he uses his fortune to buy her, but as poor as he is socially, doesn't understand how to connect with her. Thus, the clumsy cohabitation of the mage that can't convey his love, and the slave that pines for her master but doesn't understand how to bring it up, begins.